Bitcoin is emerging as a new asset class. The chart below, created by Cathie Wood's Ark Invest, shows Bitcoin's development trend, covering every major catalyst starting from 2025.

Here are all the stock market moves Cathie Wood and Ark Invest made today (March 20).

Below are Cathie Wood's 6 actively managed ETFs and their current largest holdings: (Post🧵) 1. ARK Innovation ETF $ARKK 🥇 Tesla $TSLA, weight 10.11% 🥈 CRISPR $CRSP, weight 5.83% 🥉 Circle Internet $CRCL, weight 5.62% 2. ARK Autonomous Technology & Robotics ETF $ARKQ 🥇 Tesla $TSLA, weight 9.77% 🥈 Teradyne $TER, weight 8.74% 🥉 Kratos Defense & Securities $KTOS, 8.10% 3. ARK Next Generation Internet ETF $ARKW 🥇 Tesla $TSLA, 9.33% 🥈 Advanced Micro Devices $AMD, 7.04% 🥉 ARK Bitcoin ETF $ARKW 6.35% 4. ARK Genome Revolution ETF $ARKG 🥇 Tempus AI $TEM 9.19% 🥈 CRISPR Therapeutics $CRSP 9.01% 🥉 Twist Bioscience $TWST 8.45% 5. ARK Blockchain & Fintech Innovation ETF $ARKF 🥇 Shopify $SHOP 9.59% 🥈 Circle Internet Group $CRCL 7.67% 🥉 ARK Bitcoin ETF $ARKF 6.50% 6. ARK Space & Defense Innovation ETF $ARKX 🥇 L3Harris Technologies $LHX 9.35% 🥈 Kratos Defense & Security $KTOS 8.16% 🥉 Rocket Lab $RKLB 7.54%

Join us tonight for our special YouTube premiere and embark on an immersive journey into a new chapter for American aviation. We kick off our 2026 Electric Sky Journey with an unforgettable flight over the San Francisco Bay, paying tribute to 250 years of American innovation. A huge thank you to our friends, The California Honeydrops, for their amazing performance at this homecoming celebration. 🎶🙌 📺 YouTube Premiere 🗓️ Friday, March 20 🕓 7:00 PM ET / 4:00 PM PTT

Grayscale's research blog, The Stack, provides a brief interpretation of the U.S. Securities and Exchange Commission's (SEC) latest guidance on crypto assets: (Thanks to @CraigSalm and @JakeKarlsruher for their generous support) 🧵⬇️

Can Artificial Intelligence Beat the Stock Market? We're answering that question in Rallies' AI Stock Market Arena. We invested $100,000 in a group of AI models and let them run wild in the stock market. Of the 15 models in the AI Arena, 10 outperformed the S&P 500. During our testing period, 3 AI models outperformed the S&P 500 (-2.2%🔴) by more than 10%. 🥇 Grok 4: +10.5%🟢 🥈 Opus 4.5: +9.8%🟢 🥉 Gemini 2.5 Pro: +7.7%🟢

Today, I met with John “Bass” Baranco, a former professor at my U.S. Naval War College and now the Director of Policy at Joby Aviation (@jobyaviation). We discussed the company’s cutting-edge aviation technologies and ongoing research and development efforts. Strong federal partnerships like this will help the next generation of aviation innovators take flight on American soil.

In Washington, D.C., our industry is at a pivotal moment (the U.S. is also celebrating its 250th anniversary), and this is an excellent job opportunity!

Here are all the stock market moves Cathie Wood and Ark Invest made today (March 19).

Warren Buffett knows more wealthy people than almost anyone else. His conclusion is: "Beyond a certain limit, there's little correlation between happiness and money." While not having to worry about money is important, what about everything else? It's not as important as you might think.